Gadgets and Gears The Tick-Tock Man: Gadgets and Gears, Book 3, Book 3, (Paperback)

Wally and Noodles are back to the business of scientific innovation--and fun. In London, they meet a young pickpocket named Dobbin who works for a mysterious criminal called the Tick-Tock Man. Soon they are racing through secret tunnels in a bid to help Dobbin's little sister. Can the brave boy-scientist and his loyal sidekick find the one person who can save her before it's too late? History and technology collide in this humorous series brimming with mad science.

• Historical Mystery: When a notorious criminal disappears, Wally must team up with an unlikely crew--and consult the famous author Sir Arthur Conan Doyle--to solve the case.
• Gadgets and Gears: Join boy scientist Wally and his daring dachshund Noodles as they navigate London's electrified streets with pocket pyrotechnics and clever contraptions.
• Clockwork Heart: A young girl's life depends on a ticking, mechanical heart that's about to wind down. The race is on to find the only person with the key.
• Found Family: From street-smart pickpockets to half-mechanical giants, Wally learns that helping new friends is the greatest adventure of all.